APA引文

Sayer, M., & Dellar, H. (2019). Outcomes: Advanced - Teacher's Book. United Kingdom: National Geographic Learning.

Trích dẫn kiểu Chicago

Sayer, Mike, và Hugh Dellar. Outcomes: Advanced - Teacher's Book. United Kingdom: National Geographic Learning, 2019.

MLA引文

Sayer, Mike, và Hugh Dellar. Outcomes: Advanced - Teacher's Book. United Kingdom: National Geographic Learning, 2019.

警告：這些引文格式不一定是100％准確.